Sauna device



FIG. 1 is a perspective view of a sauna device showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is another perspective plan view thereof.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a sauna device, as shown and described. 